EP2674298A1 - Roller for heating a decorative holder or a film - Google Patents
Roller for heating a decorative holder or a film Download PDFInfo
- Publication number
- EP2674298A1 EP2674298A1 EP12004413.6A EP12004413A EP2674298A1 EP 2674298 A1 EP2674298 A1 EP 2674298A1 EP 12004413 A EP12004413 A EP 12004413A EP 2674298 A1 EP2674298 A1 EP 2674298A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- heating device
- film
- roller according
- jacket body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
- B41F16/002—Presses of the rotary type
- B41F16/0026—Presses of the rotary type with means for applying print under heat and pressure, e.g. using heat activable adhesive
Definitions
- the invention relates to a roller for heating in particular a decor carrier or a film coated with adhesive.
- the invention relates to activating a decor carrier using the so-called “release” method.
- "Transfer papers” and plastic films with “release” properties are known as such in the art (see in particular EP 0 570 607 A1 ).
- the word “release” in this context means that a carrier is designed or prepared on its surface in such a way that under certain conditions (in particular temperatures) it applies colored layers or lacquer layers (so-called decoration) applied to another substrate, the other substrate usually a workpiece to be coated or decorated, for example a profile for a window or the like.
- color decorations or lacquers applied to a support with "release” properties can, under certain conditions, be “peeled off” from this support and transferred to another substrate.
- the WO 2010/028857 describes for this purpose a detaching roller which is heated from the outside with infrared radiators.
- the EP 2 163 397 A1 shows a heated with hot oil heating roller.
- Decor carrier and films that are preferably activated with the roller described here are also in the WO 2008/116484 A1 described.
- a heating roller is heated with oil and in the feed direction of the decor carrier or the film, the heat roller is followed by a detaching roller.
- a roller of the type described below can also be used in a device according to the WO 2008/116484 A1 use, so that the contents of this document is fully incorporated herein in the disclosure.
- the EP 1 795 345 A1 describes a device with a roller for heating (“heating cylinder"), with which a release film is heated. Even with such a device, the roller according to the invention can be used.
- the invention has for its object to provide a roller of the type described above in particular for the applications mentioned, which allows precise temperature control, gentle treatment of the decor carrier or the film, and in particular a high feed rate of the decor carrier or the film.
- the invention provides a roller which is adapted for heating the continuous web of a decorative carrier or a film coated in particular with adhesive, wherein the roller has a cylindrical jacket body and a heating device which is arranged stationary in the interior of the jacket body, wherein the jacket body can rotate around the stationary arranged heater.
- stationary here means stationary in relation to the environment, for example the space in which the release device is arranged. The shell body then turns in this room.
- the heating device radiates electromagnetic radiation, in particular infrared radiation, onto the radial inner wall of the jacket body.
- electromagnetic radiation in particular infrared radiation
- a preferred embodiment of the roller according to the invention provides that halogen lamps are provided for the heating device.
- Another preferred embodiment of the invention provides at least one pressure roller whose position is adjustable with respect to the roller in order to be able to adjust the contact surface between said decorative carrier and the adhesive-provided film.
- the heating device is designed so that said shell body to temperatures greater than 80 ° C, in particular greater than 200 ° C and more particularly greater than 290 ° C, e.g. 300 ° C can be heated.
- the roller preferably has a heating device with a plurality of lamps emitting electromagnetic radiation, which are preferably arranged at equal intervals on an imaginary circle.
- FIG. 1 shows an exploded view of a roller 10.
- the roller 10 has a sheath body 12, which can be brought into contact with the roller during use on its outer surface with, for example, a decor carrier used in the above-mentioned release process or a film, this film, for example coated with adhesive.
- a decor carrier used in the above-mentioned release process or a film, this film, for example coated with adhesive.
- temperatures in the range of 80 to 90 ° C must be set exactly.
- temperatures in the range of 80 ° C to 300 ° C surface temperature
- high throughputs in the range of 40 to 50 meters / minute.
- the roller 10 has according to FIG. 1 three main components, namely the sheath body 12, a heater 14 and a drive unit 16. These components are according to the arrows 24 and 26 on the longitudinal axis 28 of the roller 10 pushed together so that a flange 18 of the drive unit 16 abuts against a counter flange 22 of the sheath body 12 and lamps 30 of the heater 14 are disposed radially inside the sheath body 12. Flange 18 and mating flange 22 are secured together with bolts (not shown).
- the lamps 30 are halogen lamps which emit electromagnetic radiation which is absorbed on the inner wall 12 a of the sheath body 12 in order to heat the sheath body 12 homogeneously to a desired temperature.
- Feeders 32 provide the lamps 30 mounted in brackets 34 with adjustable electrical currents to selectively control the heating power of the lamps.
- the heater 14 is stationary with respect to the overall apparatus (not shown) in which the roller is installed, ie immovable. Possible devices in which the roller described here can be used are explained in the introduction with reference to the prior art.
- the drive unit 16 and the sheath body 12 are rotatable about the axis 28.
- a motor (not shown) is provided in the motor housing 20.
- the drive unit 16 with attached over the flange 18 sheath body 12 are rotatable about a bearing 36 which rotates on a plain bearing 38 at a desired rotational speed.
- the jacket body is turned out of one piece of aluminum.
- the lamps 30 are, for example, infrared radiators with 600W power.
- the lamps may be mirrored so that their radiation is emitted substantially radially outwards in the direction of the inner wall of the jacket body.
- Reflectors may also be arranged radially on the inside of the lamps in order to direct the radiation radially outwards in the direction of the inner wall of the jacket body.
- FIG. 2 shows a supplement of the above based FIG. 1 described roller 10 with two pressure rollers 40, 42.
- the pressure rollers 40, 42 are corresponding to the double arrows according to FIG. 2 adjustable with respect to their relative position relative to the roller 10, so that the contact surface 46 between the decor carrier 44 (or a corresponding provided with adhesive film) is adjustable.
- the time can be set at a given feed speed of the decor carrier 44 (or the film), in which the decor carrier (or the film) is in contact with the rotating shell body 12 of the roller 10.
- the Heat transfer from the roller 10 in the decor carrier (or the film) control.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Labeling Devices (AREA)
Abstract
Description
Die Erfindung betrifft eine Walze zum Heizen insbesondere eines Dekorträgers oder einer mit Klebstoff beschichteten Folie.The invention relates to a roller for heating in particular a decor carrier or a film coated with adhesive.
Insbesondere betrifft die Erfindung das Aktivieren eines Dekorträgers bei Anwendung des sogenannten "Release"-Verfahrens. "Transferpapiere" und Kunststofffolien mit "Release"-Eigenschaften sind als solches im Stand der Technik bekannt (vgl. insbesondere
Die
Der Erfindung liegt die Aufgabe zugrunde, eine Walze der eingangs beschriebenen Art für insbesondere die genannten Anwendungen bereitzustellen, die eine exakte Temperatursteuerung, eine schonende Behandlung des Dekorträgers bzw. der Folie, und insbesondere eine hohe Vorschubgeschwindigkeit des Dekorträgers bzw. der Folie ermöglicht.The invention has for its object to provide a roller of the type described above in particular for the applications mentioned, which allows precise temperature control, gentle treatment of the decor carrier or the film, and in particular a high feed rate of the decor carrier or the film.
Hierzu stellt die Erfindung eine Walze bereit, die eingerichtet ist zum Heizen der durchlaufenden Bahn eines Dekorträgers oder einer insbesondere mit Klebstoff beschichteten Folie, wobei die Walze einen zylinderförmigen Mantelkörper aufweist und eine Heizeinrichtung, die im Inneren des Mantelkörpers stationär angeordnet ist, wobei sich der Mantelkörper um die stationär angeordnete Heizeinrichtung drehen kann. Der Begriff "stationär" bedeutet hier ortsfest in Bezug auf die Umgebung, also zum Beispiel den Raum, in dem die Release-Vorrichtung angeordnet ist. Der Mantelkörper dreht sich dann in diesem Raum.For this purpose, the invention provides a roller which is adapted for heating the continuous web of a decorative carrier or a film coated in particular with adhesive, wherein the roller has a cylindrical jacket body and a heating device which is arranged stationary in the interior of the jacket body, wherein the jacket body can rotate around the stationary arranged heater. The term "stationary" here means stationary in relation to the environment, for example the space in which the release device is arranged. The shell body then turns in this room.
Gemäß einer bevorzugten Ausgestaltung der Erfindung ist vorgesehen, dass die Heizeinrichtung elektromagnetische Strahlung, insbesondere Infrarotstrahlung, auf die radiale Innenwand des Mantelkörpers abstrahlt. Zur Verbesserung der Wärmeaufnahme ist dabei die Innenwand des Mantelkörpers bevorzugt geschwärzt.According to a preferred embodiment of the invention, it is provided that the heating device radiates electromagnetic radiation, in particular infrared radiation, onto the radial inner wall of the jacket body. To improve the heat absorption while the inner wall of the jacket body is preferably blackened.
Eine bevorzugte Ausgestaltung der erfindungsgemäßen Walze sieht vor, dass für die Heizeinrichtung Halogenlampen vorgesehen sind.A preferred embodiment of the roller according to the invention provides that halogen lamps are provided for the heating device.
Eine andere bevorzugte Weiterbildung der Erfindung sieht zumindest eine Andrückwalze vor, deren Position in Bezug auf die Walze einstellbar ist, um die Kontaktfläche zwischen dem genannten Dekorträger bzw. der mit Klebstoff versehenen Folie einstellen zu können.Another preferred embodiment of the invention provides at least one pressure roller whose position is adjustable with respect to the roller in order to be able to adjust the contact surface between said decorative carrier and the adhesive-provided film.
Gemäß anderer bevorzugter Varianten der Erfindung ist vorgesehen, dass die Heizeinrichtung so ausgelegt ist, dass der genannte Mantelkörper auf Temperaturen größer 80°C, insbesondere größer 200°C und weiter insbesondere größer 290°C, z.B. 300°C aufheizbar ist.According to other preferred variants of the invention it is provided that the heating device is designed so that said shell body to temperatures greater than 80 ° C, in particular greater than 200 ° C and more particularly greater than 290 ° C, e.g. 300 ° C can be heated.
Hierzu hat die Walze bevorzugt eine Heizeinrichtung mit mehreren elektromagnetische Strahlung abgebenden Lampen, die bevorzugt unter gleichen Abständen auf einem gedachten Kreis angeordnet sind.For this purpose, the roller preferably has a heating device with a plurality of lamps emitting electromagnetic radiation, which are preferably arranged at equal intervals on an imaginary circle.
Nachfolgend wird ein Ausführungsbeispiel anhand der Zeichnung näher erläutert.An exemplary embodiment will be explained in more detail below with reference to the drawing.
Es zeigt:
- Fig. 1
- eine Walze, deren Komponenten in Explosionsdarstellung dargestellt sind, und
- Fig. 2
- schematisch einen Schnitt durch eine Walze mit zwei Andrückwalzen.
- Fig. 1
- a roller whose components are shown in exploded view, and
- Fig. 2
- schematically a section through a roller with two pressure rollers.
Die Walze 10 weist gemäß
Im beschriebenen Ausführungsbeispiel sind die Lampen 30 Halogenlampen, die elektromagnetische Strahlung abgeben, welche auf der Innenwand 12a des Mantelkörpers 12 absorbiert wird, um den Mantelkörper 12 homogen auf eine gewünschte Temperatur aufzuheizen. Zuleitungen 32 versorgen die in Halterungen 34 befestigten Lampen 30 mit einstellbaren elektrischen Strömen, um die Heizleistung der Lampen wahlweise zu steuern.In the described embodiment, the
Die Heizeinrichtung 14 ist in Bezug auf die Gesamtvorrichtung (nicht gezeigt), in welche die Walze eingebaut ist, stationär, d.h. unbeweglich. Mögliche Vorrichtungen, in welcher die hier beschriebene Walze einsetzbar ist, sind eingangs anhand des Standes der Technik erläutert. Gegenüber der ortsfesten Heizeinrichtung 14 sind die Antriebseinheit 16 und der Mantelkörper 12 um die Achse 28 drehbar. Hierzu ist im Motorgehäuse 20 ein Motor (nicht gezeigt) vorgesehen. Die Antriebseinheit 16 mit daran über den Flansch 18 befestigtem Mantelkörper 12 sind über ein Lager 36, das auf einem Gleitlager 38 dreht, mit einer gewünschten Drehgeschwindigkeit rotierbar.The
Der Mantelkörper ist aus einem Stück Aluminium gedreht. Bei den Lampen 30 handelt es sich zum Beispiel um Infrarotstrahler mit 600W Leistung. Die Lampen können so verspiegelt sein, dass ihre Strahlung im Wesentlichen radial nach außen in Richtung auf die Innenwand des Mantelkörpers abgegeben wird. Auch können Reflektoren radial innenseitig der Lampen angeordnet sein, um die Strahlung radial nach außen in Richtung auf die Innenwand des Mantelkörpers zu lenken.The jacket body is turned out of one piece of aluminum. The
- 1010
- Walzeroller
- 1212
- Mantelkörpercovering body
- 12a12a
- Innenwand vom MantelkörperInner wall of the jacket body
- 1414
- Heizeinrichtungheater
- 1616
- Antriebseinheitdrive unit
- 1818
- Flanschflange
- 2020
- Motor-GehäuseMotor housing
- 2222
- Gegenflanschcounterflange
- 2424
- Pfeilarrow
- 2626
- Pfeilarrow
- 2828
- Achseaxis
- 3030
- Lampenlamps
- 3232
- Leitungencables
- 3434
- Halterungenbrackets
- 3636
- Lagercamp
- 3838
- Gleitlagerbearings
- 4040
- Andrückwalzepressure roller
- 4242
- Andrückwalzepressure roller
- 4444
- Träger/FolieCarrier / liner
- 4646
- Kontaktflächecontact area
Claims (10)
dadurch gekennzeichnet, dass
die Heizeinrichtung (14) im Inneren des Mantelkörpers (12) stationär angeordnet ist und der Mantelkörper (12) in Bezug auf Heizeinrichtung (14) drehbar ist.Roller (10) for heating a decor carrier (44) or an adhesive-coated film, with a cylindrical shell body (12) and a heating device (14), with which the shell body is heated,
characterized in that
the heating device (14) is arranged stationarily inside the jacket body (12) and the jacket body (12) is rotatable with respect to the heating device (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12004413.6A EP2674298A1 (en) | 2012-06-12 | 2012-06-12 | Roller for heating a decorative holder or a film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12004413.6A EP2674298A1 (en) | 2012-06-12 | 2012-06-12 | Roller for heating a decorative holder or a film |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2674298A1 true EP2674298A1 (en) | 2013-12-18 |
Family
ID=46319542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12004413.6A Withdrawn EP2674298A1 (en) | 2012-06-12 | 2012-06-12 | Roller for heating a decorative holder or a film |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2674298A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0570607A1 (en) | 1992-05-19 | 1993-11-24 | General Electric Plastics B.V. | Process for applying lacquer and dyestuff to a substrate |
DE4437379A1 (en) * | 1994-10-19 | 1996-04-25 | Alfill Getraenketechnik | Method of transferring printed images from support web onto moving object |
EP1541348A1 (en) * | 2002-07-12 | 2005-06-15 | Xiangyang Lu | The apparatus for paperless transfer printing and the process thereof |
EP1795345A1 (en) | 2005-12-09 | 2007-06-13 | DeMaxZ AG | Device and method for applying colour and/oder varnish on a substrate |
WO2008116484A1 (en) | 2007-03-26 | 2008-10-02 | Demaxz Ag | Device and method for applying a decorative layer, which adheres to a film, to a multidimensional object |
EP2163397A1 (en) | 2008-09-12 | 2010-03-17 | DeMaxZ AG | Device for applying a removable decorative layer which sticks to a carrier film to an object |
WO2010028857A1 (en) | 2008-09-12 | 2010-03-18 | Demaxz Ag | Method for applying a decorative layer, releaseably adhering to a backing film, on profiles and a film structure therefore |
-
2012
- 2012-06-12 EP EP12004413.6A patent/EP2674298A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0570607A1 (en) | 1992-05-19 | 1993-11-24 | General Electric Plastics B.V. | Process for applying lacquer and dyestuff to a substrate |
DE4437379A1 (en) * | 1994-10-19 | 1996-04-25 | Alfill Getraenketechnik | Method of transferring printed images from support web onto moving object |
EP1541348A1 (en) * | 2002-07-12 | 2005-06-15 | Xiangyang Lu | The apparatus for paperless transfer printing and the process thereof |
EP1795345A1 (en) | 2005-12-09 | 2007-06-13 | DeMaxZ AG | Device and method for applying colour and/oder varnish on a substrate |
WO2008116484A1 (en) | 2007-03-26 | 2008-10-02 | Demaxz Ag | Device and method for applying a decorative layer, which adheres to a film, to a multidimensional object |
EP2163397A1 (en) | 2008-09-12 | 2010-03-17 | DeMaxZ AG | Device for applying a removable decorative layer which sticks to a carrier film to an object |
WO2010028857A1 (en) | 2008-09-12 | 2010-03-18 | Demaxz Ag | Method for applying a decorative layer, releaseably adhering to a backing film, on profiles and a film structure therefore |
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Effective date: 20140619 |